<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>hello</title>
</head>
<body>
    <h1>hello</h1>
    <h2>hello</h2>
    <h3>hello</h3>
    <h4>hello</h4>
    <h5>hello</h5>
    <br>
    <hr>
    <p>hello</p>
    <strong>hello</strong>
    <em>hello</em>
    <hr>
    <a href="1.html#end">去到1.html的end</a>
</html>